Re: very low performance of network card tg3 running x86_64 2.6.20

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On Wed, 14 Feb 2007 23:51:02 +0200 (EET)
"Eero Volotinen" <eero.volotinen@xxxxxxxxxxx> wrote:

> > Are you sure you don't have a window scaling corrupting firewall?
> > Does the problem go away if you turn off window scaling?
> 
> Well, I am not sure about that, but firewall is zywall 70 on bridged mode.
> Looks like that kind of issue since all linux machines behind that firewall
> does not work fine.
> 
> Looks like firewall failure.
> 
> echo 0 > /proc/sys/net/ipv4/tcp_window_scaling does not fix the problem,

Then you have a different problem. Please capture a network trace with
tcpdump/ethereal/wireshark it may provide some insight, to see if the
problem is lost packets or bad hardware.

-- 
Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx>
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